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Commit 2020-09-11 17:48 17a58072

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feat(category_theory/limits/fubini): another formulation for limits commuting (#4034) The statement that you can swap limits, rather than just combine into a single limit as we had before. (This just uses two copies of the previous isomorphism.)

Estimated changes

Modified src/category_theory/limits/fubini.lean

added def category_theory.limits.limit_curry_swap_comp_lim_iso_limit_curry_comp_lim

added theorem category_theory.limits.limit_curry_swap_comp_lim_iso_limit_curry_comp_lim_hom_π_π

added theorem category_theory.limits.limit_curry_swap_comp_lim_iso_limit_curry_comp_lim_inv_π_π

Modified src/category_theory/limits/limits.lean

added theorem category_theory.limits.has_colimit.iso_of_equivalence_hom_π

added theorem category_theory.limits.has_colimit.iso_of_equivalence_inv_π

deleted theorem category_theory.limits.has_colimit.iso_of_equivalence_π

added theorem category_theory.limits.has_limit.iso_of_equivalence_hom_π

added theorem category_theory.limits.has_limit.iso_of_equivalence_inv_π

deleted theorem category_theory.limits.has_limit.iso_of_equivalence_π

Modified src/category_theory/products/basic.lean